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上海金鵬分析儀器有限公司綜合國(guó)內(nèi)外優(yōu)秀生化實(shí)驗(yàn)設(shè)備制造經(jīng)驗(yàn)**生產(chǎn)的AS-90砷元素形態(tài)分析儀，進(jìn)行系統(tǒng)詳解,，可快速查詢產(chǎn)品的**報(bào)價(jià),、圖片、技術(shù)參數(shù),，或者進(jìn)行產(chǎn)品性能比較,，使用非常方便。

AS-90砷元素形態(tài)分析儀的詳細(xì)介紹

主要技術(shù)指標(biāo)

● 可檢測(cè)的含砷形態(tài)

采用陰離子色譜柱,，可檢測(cè)：亞砷酸（As(Ⅲ)）,，砷酸（As(Ⅴ)），一甲基砷（MMA）,，二甲基砷（DMA）,；

采用陽(yáng)離子色譜柱，可檢測(cè)：一甲基砷（MMA）,，二甲基砷（DMA）,，砷甜菜堿（AsB）,，砷膽堿（AsC）。

● 檢出限*

對(duì)于As（III）,、As（V）,、MMA、DMA：檢出極限優(yōu)于1 ng,；

對(duì)于AsB和AsC：檢出極限優(yōu)于3 ng,。

● 重現(xiàn)性

濃度為100ng/mL的As（III）、As（V）,、MMA,、DMA混合溶液測(cè)定的相對(duì)標(biāo)準(zhǔn)偏差不大于6%。

● 基線穩(wěn)定性和噪聲

儀器在30分鐘內(nèi)的靜態(tài)基線漂移不大于 0.005Abs,；基線噪聲峰峰值不大于0.004Abs,。

特別申明：⑴本網(wǎng)站所列價(jià)目，如廠方有變動(dòng),，請(qǐng)以廠家新價(jià)格為準(zhǔn),。

⑵批發(fā)優(yōu)惠幅度因各廠情況不同，請(qǐng)來(lái)電咨詢,。

Analytical Instruments Co.,， Ltd. Shanghai Jinpeng excellent chemical and biological laboratory equipment and foreign manufacturing experience exclusively produced AS-90 Arsenic speciation analysis instrument， a systematic Xiangjie to quickly check the latest products,， quotes,， pictures， technical parameters,， or product performance comparison to use very convenient.

AS-90 morphological analyzer arsenic detailed description of

Main Technical Specifications

● can detect patterns of arsenic

Using anion column can be detected: Arsenic trioxide (As (Ⅲ)),， arsenate (As (Ⅴ))， a methyl-arsenic (MMA),， dimethyl arsenic (DMA);

Using cation column,， can be detected: a methyl-arsenic (MMA)， dimethyl arsenic (DMA),， arsenic betaine (AsB),， arsenic choline (AsC).

● detection limit *

For the As (III)， As (V),， MMA,， DMA: The detection limit of better than 1 ng;

For AsB and AsC: detection limit of better than 3 ng.

● reproducibility

100ng/mL concentration of As (III)， As (V),， MMA,， DMA mixture determination of the relative standard deviation of not more than 6%.

● baseline stability and noise

Equipment within 30 minutes of static baseline drift is not more than 0.005Abs; baseline noise， peak-peak value is not greater than 0.004Abs.

In particular that: ⑴ prices listed on this site,， such as a change in the factory,， please factory new price shall prevail.

⑵ the wholesale margin of preference for each plant is different,， please call us.